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Finding the Third Proportional to 208,544.63 and 455,311.13

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Solution

The third proportional to 208,544.63 and 455,311.13 is: 994,071.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,544.63 : 455,311.13 = 455,311.13 : x
  2. Step 2: Convert to fraction form
    208,544.63/455,311.13 = 455,311.13/x
  3. Step 3: Cross multiply
    208,544.63x = 455,311.13 × 455,311.13
  4. Step 4: Simplify right side
    208,544.63x = 207,308,220,548.77
  5. Step 5: Solve for x
    x = 207,308,220,548.77/208,544.63
  6. Step 6: Final answer
    x = 994,071.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.